摘要
对CFRP斜拉索的静力参数特性如切线刚度、竖向分力、垂度等进行了计算,并与传统的钢绞线斜拉索的计算结果进行了对比分析。计算结果表明:由于CFRP索的弹性模量和单位长度重量低于传统的钢索,其等效刚度系数小于钢拉索,索的竖向分力等效系数在工程应力范围内接近1,垂度效应明显小于钢拉索。
The static parameter characters of CFRP cables such as equivalent stiffness, vertical component of forces, sag effects are computed. A series of advantages of CFRP cables are found compared with that of steel cables. For its low elastic modulus and weight of unit length, the equivalent stiffness coefficient of CFRP cables is lower than that of steel cables. The equivalent coefficient of CFRP cables in vertical component of forces is close to 1 within engineering stress. The sag effects of CFRP cables are .highly lower than that of steel cables.
出处
《建筑结构》
CSCD
北大核心
2007年第2期66-69,共4页
Building Structure
基金
国家自然科学基金资助项目(50178018)
关键词
CFRP
斜拉索
等效刚度
竖向分力
垂度
CFRP
stayed-cables
equivalent stiffness
vertical component of forces
sag